#!/usr/bin/env python
#-*- coding:utf-8 -*-

import commands  


def test_os_command(cmd='ls -l'):
	status, output = commands.getstatusoutput("./tim_sl.py") 
	#status,result = commands.getstatusoutput(cmd)
	print(status)
	print(output)


if __name__ == '__main__':
	print('begin ')
	test_os_command()
	print('end ')
